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Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Fukuoka now

54.5

°F

March 12, 13:23

Trend:

increasing

Yesterday:

54.2°F

Tomorrow:

54.6°F

Sunrise:

06:34

Sunset:

18:23

Day Length:

11 h. 49 min.

Fukuoka in March

Minimum:

57.8°F

Average:

59.2°F

Maximum:

61.4°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 54.5°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 0.8°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 56.7°F on 2016, while the historical minimum was 53.2°F on 2025.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 54.6°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Fukuoka

Date Current Year

actual* / forecast**

 last year 10 years average
Feb 26 55.0°F 53.0°F 54.8°F
Feb 27 55.4°F 52.5°F 54.7°F
Feb 28 55.2°F 52.7°F 54.8°F
Mar 1 55.2°F 51.8°F 54.6°F
Mar 2 55.6°F 52.2°F 54.8°F
Mar 3 56.0°F 52.6°F 54.8°F
Mar 4 55.6°F 52.8°F 54.9°F
Mar 5 54.8°F 53.1°F 54.7°F
Mar 6 52.7°F 53.3°F 54.6°F
Mar 7 54.4°F 53.3°F 54.8°F
Mar 8 54.3°F 53.5°F 54.7°F
Mar 9 54.3°F 52.5°F 54.6°F
Mar 10 54.3°F 51.7°F 54.7°F
Mar 11 54.2°F 52.3°F 54.9°F
Mar 12 54.5°F 53.2°F 55.2°F
Mar 13 54.6°F 53.4°F 55.3°F
Mar 14 54.6°F 53.6°F 55.4°F
Mar 15 54.5°F 53.9°F 55.2°F
Mar 16 54.5°F 54.1°F 55.3°F
Mar 17 54.4°F 54.3°F 55.2°F
Mar 18 54.6°F 53.9°F 55.4°F
Mar 19 54.9°F 54.2°F 55.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

January

February

March

April

May

June

July

August

September

October

November

December

In Fukuoka, the months July through October offer comfortable swimming conditions, which amounts to 112 swimming days.
The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.8°F in Summer, and 73.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Kitakyushu 53.6°F 30mi
Shimonoseki 54.2°F 39mi
Kumamoto 53.1°F 57mi
Nagasaki 58.5°F 66mi

* current water temperature in this city

** straight line distance from Fukuoka